// 1.导入头文件 iostream
#include <iostream>
// 2.使用命名空间 std
using namespace std;

// 3.创建 main() 作为程序开始入口
int main() {
	int day;
	cout << "请输入当前天数：";
	cin >> day;
	
	switch (day) {
	case 1:
		cout << "Monday" << endl;
		break;
	case 2:
		cout << "Tuesday" << endl;
		break;
	case 3:
		cout << "Wednesday" << endl;
		break;
	case 4:
		cout << "Thursday" << endl;
		break;
	case 5:
		cout << "Friday" << endl;
		break;
	case 6:
		cout << "Saturday" << endl;
		break;
	case 7:
		cout << "Sunday" << endl;
		break;
	default:
		cout << "Invalid day" << endl;
	}
	

	// 4.程序返回值为 0
	return 0;
}
